CN103373815A - Bayer process red mud porous glass ceramic and preparation method thereof - Google Patents
Bayer process red mud porous glass ceramic and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a Bayer process red mud porous glass ceramic and a preparation method thereof. The Bayer process red mud porous glass ceramic is processed and produced by taking Bayer process red mud as a main raw material, wherein the raw material comprises the following components in percentage by weight: 2-7% of a pore-forming agent, 3-15% of a polyvinyl alcohol aqueous solution of which the mass fraction is 3%, and the balance of basic glass which is processed and produced by taking the Bayer process red mud as the main raw material; and the basic glass comprises the following chemical components in percentage by mass: 40-55% of SiO2, 5-13% of Al2O3, 20-33% of CaO, 5-10% of Fe2O3, 3-12% of Na2O, 3-8% of B2O3, 2-6% of MgO and 1-4% of F<->. Compared with the conventional brick, the Bayer process red mud porous glass ceramic material prepared by the method has the characteristics of light weight, high strength, heat insulation, heat preservation, sound absorption, noise prevention and the like, so that the Bayer process red mud porous glass ceramic material is an ideal building material.
Description
Technical field
The invention belongs to industrial solid castoff application technology as the second resource field, be specifically related to a kind of Bayer process red mud porous devitrified glass and preparation method thereof.
Background technology
Red mud is inevitably will produce its industry byproduct in the aluminium Industrial processes, different because of production method and bauxite grade, and one ton of aluminum oxide of every production approximately will produce 0.6～2.0t red mud.Bayer process red mud is to utilize the Bayer process working system to extract the waste residue that produces after the aluminum oxide from bauxite.With regard to China's present alumina producing ability meter, the annual production of Chinese red mud in 2010 has surpassed 4,000 ten thousand tons.Because contain alkali etc. and other materials in the red mud, environment is had very large contaminative: the country that has enters red mud marine, because containing the objectionable impurities Marine Pollution such as alkali, endanger fish production.What have stacks on land, takies the farmland, pollutes water system, waves with the wind after the drying, again atmosphere pollution.Such treatment measures are all not as people's will: the first, and the discharging of red mud and the processing of banking up all can cause great pollution to environment; The second, red mud also is a kind of resource, and so a large amount of resources is processed or to emit be the serious wasting of resources.Therefore, widening thinking, explore practicable red mud method of comprehensive utilization, is an extremely urgent problem.
Porous devitrified glass is known as again crystallite foam glass, is a kind of New Building Materials.It is a kind ofly to be uniform-distribution with lightweight, the high-strength material of a large amount of micro-bubbles and needle-like crystal in mutually in glass main.The structures shape of porous devitrified glass it possessed both premium properties of sintered glass and devitrified glass, namely have fire prevention, nontoxic, do not have radioactivity, corrosion-resistant, the characteristics such as can process, use it can greatly reduce the weight of buildings as materials for wall, improve the inner quality of buildings, thereby have broad application prospects.
At present, it is as follows to prepare the research report of porous devitrified glass with industrial solid castoff:
In the Chinese patent literature " porous devitrified glass and manufacture method thereof " (publication number CN 101328021A, open day on December 24th, 2008), take flyash, rare mine tailing that selects as raw material, use water quenching, prepare CaO-MgO-Al
2O
3-Si0
2System take open pore as main porous devitrified glass, this invention product can satisfy different filtering objects, void content and pore size distribution are adjustable, are mainly used in the filtration of polluted water.
Chinese patent literature " utilizing industrial red mud to produce prescription and the production technique of micro-crystal board material " (publication number CN 102092948 A, open day on June 15th, 2011) take industrial red mud powder, calcium stone flour, quartz sand, barium carbonate, yellow soda ash, borax, aluminum oxide etc. as raw material, sintering process has prepared the micro-crystal plate finished product in.Although the patented product has utilized red mud to be main raw material, not indicating red mud is the red mud of what type, and product is not porous devitrified glass, does not possess the advantage of lightweight.
Chinese patent literature " utilizing scorification to prepare cinder microcrystalline glass " (publication number CN 101007708 A, open day on August 1st, 2007) in, take flyash, iron tailings, boron mud etc. as raw material, by batching, batch mixing, found, the technological process such as moulding, coring and crystallization, prepared the cinder microcrystalline glass product of excellent performance.This product is scorification preparation, is mainly used in the fields such as building, chemical industry equipment be anticorrosion, but neither the porous building material product, does not possess the advantage of lightweight.
Summary of the invention
The object of the present invention is to provide a kind of characteristics that namely have devitrified glass, also have the novel green building material product-porous devitrified glass of sintered glass advantage.The good physicochemical properties such as this invention product has the physical strength height, thermal conductivity is little, thermal property is stable, anti-combustion, indeformable, durable, heatproof, anti-corruption, anti-oxidant, acid and alkali-resistance, nontoxic, "dead", easy processing.The present invention also provides the preparation method of this product, and the method can be eliminated the solid waste such as red mud effectively to the pollution of surrounding environment.
To achieve these goals, technical scheme of the present invention is: a kind of Bayer process red mud porous devitrified glass, it is take the porous devitrified glass of Bayer process red mud as the main raw material processing, its raw material is according to weight percent, it comprises pore former 2-7%, massfraction 3% polyvinyl alcohol water solution 3 ~ 15%, surplus are take the parent glass of Bayer process red mud as the main raw material processing; The mass percent of the chemical constitution of described parent glass is: SiO
240～55%, Al
2O
35～13%, CaO 20～33%, Fe
2O
35～10%, Na
2O 3～12%, B
2O
33～8%, MgO 2～6%, F
-1～4%, the ultimate compression strength of porous devitrified glass: 10～38MPa wherein, water-intake rate: 2-25%, density: 700-1480Kg/cm
3
Further, described parent glass, its raw material are according to weight percent, and it comprises Bayer process red mud 35-62%, quartzy 15-26%, borax 5-10%, calcite 8-15%, fluorite 2-5%, SODIUMNITRATE 3-7%, lithionite 5-12%.
Further, described Bayer process red mud is the high calcium red mud, and the content of CaO is 11-16% in the high calcium red mud.
Further, the raw material of described parent glass also comprises tinting material, and according to weight percent, its add-on is 1 ~ 4%.
Further, described pore former is volatile salt and/or bicarbonate of ammonia, and granularity is less than 200 orders.
A kind of production method of Bayer process red mud porous devitrified glass, its raw material be according to weight percent, pore former 2-7%, massfraction 3% polyvinyl alcohol water solution 3 ~ 15%, surplus are take the parent glass of Bayer process red mud as the main raw material processing, wherein said parent glass, its raw material is according to weight percent, and it comprises Bayer process red mud 35-70%, quartzy 15-26%, borax 5-10%, calcite 8-15%, fluorite 2-5%, SODIUMNITRATE 3-7%, lithionite 5-12%, its step comprises:
1) batch mixing: according to proportioning raw materials, take by weighing Bayer process red mud, quartz, borax, calcite, fluorite, SODIUMNITRATE, lithionite mixes;
2) preparation of parent glass: with the raw material compacting that mixes, heat fused in the rapid impouring cold water of glass metal that fusing is good, obtains 0-6mm parent glass particle, drying;
3) preparation of parent glass powder: it is 150 ~ 200 purpose parent glass powder that the parent glass particle of drying is become granularity with grinding of ball grinder, directly sends into above-mentioned powder in the mixing equipment and adds pore former, mixes;
4) moulding: in the parent glass powder, add polyvinyl alcohol water solution, mixing granulation, at the 80-120MPa forming under the pressure, drying at room temperature 20 ~ 28 hours obtains green compact;
5) coring, crystallization and pore-forming: dried green compact are finished coring at 650-750 ℃ of insulation 0.5 ~ 2h, at 800-900 ℃ of insulation 1 ~ 3h, finish crystallization process, pore former decomposes simultaneously, forms uniform pore, obtains base substrate;
6) base substrate after micritization is processed cuts, grinds, polishes and be Bayer process red mud porous devitrified glass goods.
Further, the mixing time in described the 1st step is 3-5min.
Further, the granular size of described Bayer process red mud, quartz, borax, calcite, fluorite, SODIUMNITRATE and lithionite is 80 orders-120 orders.
Further, the melting time of described heating and melting is 2-3h, and temperature of fusion is 1350-1450 ℃.
The main chemical compositions of the Bayer process red mud among the present invention is CaO, SiO
2, Fe
2O
3, Al
2O
3, TiO
2And Na
2O etc., it is calcium aluminosilicate hydrate, cancrinite, uhligite, diaspore and illite etc. that essential mineral forms
Beneficial effect of the present invention:
The Bayer process red mud porous devitrified glass material of the present invention's preparation, comparing with brick with tradition has lightweight, the characteristics such as intensity is high, heat-insulation and heat-preservation, sound-absorbing noise control, when improving structural quality, has alleviated deadweight, greatly reducing the building foundation cost, is a kind of desirable material of construction.
The present invention has following features:
1, because the starting material-Bayer process red mud that adopts is trade waste, sharp useless rate is high, can effectively solve the problem that trade waste is difficult to process, and can save processing cost again.Product meets the environmental protection industry policy that country's profit is useless, joint is native, energy-conservation;
2, owing to adopted the Bayer process red mud of many calcium, thereby lower the melt temperature of parent glass, reduced energy consumption;
3, the internal structure of the Bayer process red mud porous devitrified glass of the present invention's preparation is comprised of glassy phase, crystal and pore three parts, and principal crystalline phase mainly is gehlenite.In the microtexture of this product, glassy phase, crystal phase and a large amount of small pore weave in, Effective Raise the physical strength of porous devitrified glass, its ultimate compression strength is 10-28MPa, water-intake rate is 5-16%.
4, this product is less than ordinary fired brick heat insulating coefficient, has improved the heat-insulating property of body of wall, is conducive to building energy conservation.In addition, its sound-proofing is good, reduces the sound in the city of noisy noise, favourable quite still life, protection HUMAN HEALTH.
In a word, utilize Bayer process red mud, adopt sintering process technique to prepare porous devitrified glass, can solve satisfactorily the difficult problem that China's aluminium industrial residue is difficult to process, improve the level of comprehensive utilization of trade waste, be conducive to the Sustainable development of China's material of construction, and can significantly improve economic results in society.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Embodiment 1:
A kind of production method of Bayer process red mud porous devitrified glass, its raw material is according to weight percent, granularity is less than 200 purpose volatile salts 2%, massfraction 3% polyvinyl alcohol water solution 15%, parent glass 83%, wherein said parent glass, its raw material is according to weight percent, it comprises that the content of CaO is Bayer process red mud 40%, quartz 20%, borax 10%, calcite 15%, fluorite 5%, SODIUMNITRATE 5%, lithionite 5% to 11-16%, tinting material 4%, and its step comprises:
1) batch mixing: according to proportioning raw materials, take by weighing 80 orders-120 purpose Bayer process red mud, quartz, borax, calcite, fluorite, SODIUMNITRATE and lithionite, mix, mixing time is 3-5min;
2) preparation of parent glass: with the raw material compacting that mixes, heat fused, temperature of fusion are 1400 ℃, and melting time is 2h, in the rapid impouring cold water of glass metal that fusing is good, obtain 0-6mm parent glass particle, drying;
3) preparation of parent glass powder: it is 150 ~ 200 purpose parent glass powder that the parent glass particle of drying is become granularity with grinding of ball grinder, directly sends into above-mentioned powder in the mixing equipment and adds pore former, mixes;
4) moulding: in the parent glass powder, add polyvinyl alcohol water solution, mixing granulation, at the 100MPa forming under the pressure, drying at room temperature 24 hours obtains green compact;
5) coring, crystallization and pore-forming: dried green compact are finished coring at 650 ℃ of insulation 3h, at 900 ℃ of insulation 1h, finish crystallization process, pore former decomposes simultaneously, forms uniform pore, obtains base substrate;
6) base substrate after micritization is processed cuts, grinds, polishes and be Bayer process red mud porous devitrified glass goods.
This product ultimate compression strength average out to 16.5MPa, water-intake rate is 12.8%, density is 950.6Kg/m
3, radioassay is qualified.
Embodiment 2:
A kind of production method of Bayer process red mud porous devitrified glass, its raw material is according to weight percent, granularity is less than 200 purpose bicarbonate of ammonia 2%, volatile salt 5%, massfraction 3% polyvinyl alcohol water solution 3%, parent glass 90%, wherein said parent glass, its raw material are according to weight percent, and it comprises that the content of CaO is Bayer process red mud 60%, quartz 15%, borax 5%, calcite 8%, fluorite 2%, SODIUMNITRATE 3%, lithionite 2% to 11-16%, tinting material 2%, its step comprises:
1) batch mixing: according to proportioning raw materials, take by weighing 80 orders-120 purpose Bayer process red mud, quartz, borax, calcite, fluorite, SODIUMNITRATE and lithionite, mix, mixing time is 3-5min;
2) preparation of parent glass: with the raw material compacting that mixes, heat fused, melting time is 3h, temperature of fusion is 1350 ℃, in the rapid impouring cold water of glass metal that fusing is good, obtains 0-6mm parent glass particle, drying;
3) preparation of parent glass powder: it is 150 ~ 200 purpose parent glass powder that the parent glass particle of drying is become granularity with grinding of ball grinder, directly sends into above-mentioned powder in the mixing equipment and adds pore former, mixes;
4) moulding: in the parent glass powder, add polyvinyl alcohol water solution, mixing granulation, at the 80MPa forming under the pressure, drying at room temperature 28 hours obtains green compact;
5) coring, crystallization and pore-forming: dried green compact are finished coring at 750 ℃ of insulation 0.5h, at 800 ℃ of insulation 3h, finish crystallization process, pore former decomposes simultaneously, forms uniform pore, obtains base substrate;
6) base substrate after micritization is processed cuts, grinds, polishes and be Bayer process red mud porous devitrified glass goods.
This product ultimate compression strength average out to 26.2MPa, water-intake rate is 8.0%, density is 1350.4Kg/m
3, radioassay is qualified.
Embodiment 3:
A kind of production method of Bayer process red mud porous devitrified glass, its raw material is according to weight percent, granularity is less than 200 purpose bicarbonate of ammonia 5%, massfraction 3% polyvinyl alcohol water solution 10%, parent glass 85%, wherein said parent glass, its raw material is according to weight percent, it comprises that the content of CaO is Bayer process red mud 40%, quartz 15%, borax 5%, calcite 15%, fluorite 5%, SODIUMNITRATE 7%, lithionite 12% to 11-16%, tinting material 1%, and its step comprises:
1) batch mixing: according to proportioning raw materials, take by weighing 80 orders-120 purpose Bayer process red mud, quartz, borax, calcite, fluorite, SODIUMNITRATE and lithionite, mix, mixing time is 3-5min;
2) preparation of parent glass: with the raw material compacting that mixes, heat fused, melting time is 2h, temperature of fusion is 1450 ℃, in the rapid impouring cold water of glass metal that fusing is good, obtains 0-6mm parent glass particle, drying;
3) preparation of parent glass powder: it is 150 ~ 200 purpose parent glass powder that the parent glass particle of drying is become granularity with grinding of ball grinder, directly sends into above-mentioned powder in the mixing equipment and adds pore former, mixes;
4) moulding: in the parent glass powder, add polyvinyl alcohol water solution, mixing granulation, at the 120MPa forming under the pressure, drying at room temperature 20 hours obtains green compact;
5) coring, crystallization and pore-forming: dried green compact are finished coring at 650 ℃ of insulation 1h, at 900 ℃ of insulation 2h, finish crystallization process, pore former decomposes simultaneously, forms uniform pore, obtains base substrate;
6) base substrate after micritization is processed cuts, grinds, polishes and be Bayer process red mud porous devitrified glass goods.
This product ultimate compression strength average out to 20.6MPa, water-intake rate is 15.0%, density is 1056.7Kg/m
3, radioassay is qualified.
Embodiment 4:
A kind of production method of Bayer process red mud porous devitrified glass, its raw material is according to weight percent, granularity is less than 200 purpose volatile salts 4%, massfraction 3% polyvinyl alcohol water solution 8%, parent glass 88%, wherein said parent glass, its raw material is according to weight percent, it comprises that the content of CaO is Bayer process red mud 43%, quartz 20%, borax 8%, calcite 10%, fluorite 3%, SODIUMNITRATE 5%, lithionite 8% to 11-16%, tinting material 3%, and its step comprises:
1) batch mixing: according to proportioning raw materials, take by weighing 80 orders-120 purpose Bayer process red mud, quartz, borax, calcite, fluorite, SODIUMNITRATE and lithionite, mix, mixing time is 3-5min;
2) preparation of parent glass: with the raw material compacting that mixes, heat fused, melting time is 2h, temperature of fusion is 1400 ℃, in the rapid impouring cold water of glass metal that fusing is good, obtains 0-6mm parent glass particle, drying;
3) preparation of parent glass powder: it is 150 ~ 200 purpose parent glass powder that the parent glass particle of drying is become granularity with grinding of ball grinder, directly sends into above-mentioned powder in the mixing equipment and adds pore former, mixes;
4) moulding: in the parent glass powder, add polyvinyl alcohol water solution, mixing granulation, at the 100MPa forming under the pressure, drying at room temperature 24 hours obtains green compact;
5) coring, crystallization and pore-forming: dried green compact are finished coring at 700 ℃ of insulation 1h, at 850 ℃ of insulation 2h, finish crystallization process, pore former decomposes simultaneously, forms uniform pore, obtains base substrate;
6) base substrate after micritization is processed cuts, grinds, polishes and be Bayer process red mud porous devitrified glass goods.
This product ultimate compression strength average out to 18.6MPa, water-intake rate is 12.8%, density is 1056.7Kg/m
3, radioassay is qualified.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. Bayer process red mud porous devitrified glass, it is take the porous devitrified glass of Bayer process red mud as the main raw material processing, it is characterized in that: its raw material is according to weight percent meter, it comprises pore former 2-7%, massfraction 3% polyvinyl alcohol water solution 3 ~ 15%, surplus are take the parent glass of Bayer process red mud as the main raw material processing; The mass percent of the chemical constitution of described parent glass is: SiO
240～55%, Al
2O
35～13%, CaO 20～33%, Fe
2O
35～10%, Na
2O 3～12%, B
2O
33～8%, MgO 2～6%, F
-1～4%, the ultimate compression strength of porous devitrified glass: 10～38MPa wherein, water-intake rate: 2-25%, density: 700-1480Kg/cm
3
2. according to claims 1 described a kind of Bayer process red mud porous devitrified glass, it is characterized in that: the raw material of described parent glass, according to weight percent meter, it comprises Bayer process red mud 35-62%, quartzy 15-26%, borax 5-10%, calcite 8-15%, fluorite 2-5%, SODIUMNITRATE 3-7%, lithionite 5-12%.
3. according to claims 2 described a kind of Bayer process red mud porous devitrified glass, it is characterized in that: described Bayer process red mud is the high calcium red mud, and the content of CaO is 11-16% in the high calcium red mud.
4. according to claims 2 described a kind of Bayer process red mud porous devitrified glass, it is characterized in that: the raw material of described parent glass also comprises tinting material, and according to weight percent, its add-on is 1 ~ 4%.
5. according to claims 2 described a kind of Bayer process red mud porous devitrified glass, it is characterized in that: described pore former is volatile salt and/or bicarbonate of ammonia, and granularity is less than 200 orders.
6. such as the production method of the described Bayer process red mud porous devitrified glass of claim 1 ~ 5, it is characterized in that: its raw material is according to weight percent meter, comprise pore former 2-7%, massfraction 3% polyvinyl alcohol water solution 3 ~ 15%, surplus is take the parent glass of Bayer process red mud as the main raw material processing, wherein said parent glass, its raw material is according to weight percent, and it comprises Bayer process red mud 35-70%, quartzy 15-26%, borax 5-10%, calcite 8-15%, fluorite 2-5%, SODIUMNITRATE 3-7%, lithionite 5-12%, its step comprises:
1) batch mixing: according to proportioning raw materials, take by weighing Bayer process red mud, quartz, borax, calcite, fluorite, SODIUMNITRATE, lithionite mixes;
2) preparation of parent glass: with the raw material compacting that mixes, heat fused in the rapid impouring cold water of glass metal that fusing is good, obtains 0-6mm parent glass particle, drying;
3) preparation of parent glass powder: it is 150 ~ 200 purpose parent glass powder that the parent glass particle of drying is become granularity with grinding of ball grinder, directly sends into above-mentioned powder in the mixing equipment and adds pore former, mixes;
4) moulding: in the parent glass powder, add polyvinyl alcohol water solution, mixing granulation, at the 80-120MPa forming under the pressure, drying at room temperature 20 ~ 28 hours obtains green compact;
5) coring, crystallization and pore-forming: dried green compact are finished coring at 650-750 ℃ of insulation 0.5 ~ 2h, at 800-900 ℃ of insulation 1 ~ 3h, finish crystallization process, pore former decomposes simultaneously, forms uniform pore, obtains base substrate;
6) base substrate after micritization is processed cuts, grinds, polishes and be Bayer process red mud porous devitrified glass goods.
7. according to claims 6 described preparation methods, it is characterized in that: the mixing time in described the 1st step is 3-5min.
8. according to claims 6 described preparation methods, it is characterized in that: the granular size of described Bayer process red mud is that 80 orders-120 order, quartzy granular size are that the granular size of 80 orders-120 order, borax is that the granular size of 80 orders-120 order, calcite is that the granular size of 80 orders-120 order, fluorite is that the granular size of 80 orders-120 order, SODIUMNITRATE is 80 orders-120 orders, and the granular size of lithionite is 80 orders-120 orders.
9. according to claims 6 described preparation methods, it is characterized in that: the melting time of described heating and melting is 2-3h, and temperature of fusion is 1350-1450 ℃.
10. according to claims 6 described preparation methods, it is characterized in that: described Bayer process red mud is the high calcium red mud, and the content of CaO is 11-16% in the high calcium red mud; The raw material of described parent glass also comprises tinting material, and according to weight percent, its add-on is 1 ~ 4%; Described pore former is volatile salt and/or bicarbonate of ammonia, and granularity is less than 200 orders.
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| CN201210588748.9 | 2012-12-31 | ||
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922585A (en) * | 2014-03-18 | 2014-07-16 | 山西晶玉建材有限公司 | Method for producing multi-color micro-crystal glass granular material by using alumina red mud |
| CN105565660A (en) * | 2015-12-07 | 2016-05-11 | 济南大学 | High-performance aluminosilicate glass primarily made from red mud and preparation method of high-performance aluminosilicate glass |
| CN106892565A (en) * | 2017-02-27 | 2017-06-27 | 江苏省冶金设计院有限公司 | It is a kind of by red mud and coal ash for manufacturing for foam pyroceram method |
| CN107010840A (en) * | 2017-03-03 | 2017-08-04 | 山东福隆玻璃科技有限公司 | A kind of method that red mud collaboration calcium iron white residue prepares sintering black glass ceramic |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328021A (en) * | 2008-07-22 | 2008-12-24 | 内蒙古科技大学 | Porous devitrified glass and manufacturing method thereof |
| CN102633426A (en) * | 2011-12-13 | 2012-08-15 | 淄博钰晶新型材料科技有限公司 | Method for producing microcrystal foam heat-insulation plate by aid of industrial red mud |
-
2013
- 2013-01-24 CN CN2013100255754A patent/CN103373815A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328021A (en) * | 2008-07-22 | 2008-12-24 | 内蒙古科技大学 | Porous devitrified glass and manufacturing method thereof |
| CN102633426A (en) * | 2011-12-13 | 2012-08-15 | 淄博钰晶新型材料科技有限公司 | Method for producing microcrystal foam heat-insulation plate by aid of industrial red mud |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922585A (en) * | 2014-03-18 | 2014-07-16 | 山西晶玉建材有限公司 | Method for producing multi-color micro-crystal glass granular material by using alumina red mud |
| CN105565660A (en) * | 2015-12-07 | 2016-05-11 | 济南大学 | High-performance aluminosilicate glass primarily made from red mud and preparation method of high-performance aluminosilicate glass |
| CN105565660B (en) * | 2015-12-07 | 2019-04-02 | 济南大学 | It is a kind of using red mud as high-performance aluminum silicate glass of primary raw material and preparation method thereof |
| CN106892565A (en) * | 2017-02-27 | 2017-06-27 | 江苏省冶金设计院有限公司 | It is a kind of by red mud and coal ash for manufacturing for foam pyroceram method |
| CN107010840A (en) * | 2017-03-03 | 2017-08-04 | 山东福隆玻璃科技有限公司 | A kind of method that red mud collaboration calcium iron white residue prepares sintering black glass ceramic |
| CN107010840B (en) * | 2017-03-03 | 2019-10-08 | 山东龙宇玻璃有限公司 | A kind of method of red mud collaboration calcium iron silicon slag preparation sintering black glass ceramic |
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Application publication date: 20131030 |